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DXS-3400 Series Lite Layer 3 Stackable 10GbE Managed Switch Web UI Reference Guide
372
Parameter Description
MA Mode
Select the MA mode here. Options to choose from are:
• Software - Specifies that the MA works in the CFM software mode.
• Hardware - Specifies that the MA works in the CFM hardware mode.
The CFM hardware mode is used to improve the performance of the CCM
process. In the CFM hardware mode, the CCM packet is processed by hardware
and in general does not need to involve the CPU. In addition, the CCM interval
can be set to the lowest value of 3.3ms which is not supported in the CFM
software mode due to the CPU capability constraints.
The CFM hardware and software mode can be used together. The user can
configure an MA as the CFM hardware mode. Then, all MEPs in the MA will be
working in the CFM hardware mode. For some MAs, if the performance of the
CCM process is considered, e.g. requiring 3.3ms and 10ms CCM interval, and the
MEPs in the MA are down MEPs, the user can use the CFM hardware mode; For
other MAs, if the performance of the CCM process is not a problem, or up MEPs
and MIPs need to be set up, or full CFM function are required, the CFM software
mode is a better choice.
MIP Creation
This option is used to configure the MIP creation for an MA. Select one of the
following options:
• None - Specifies not to create the MIP on ports in an MA.
• Auto - Specifies that MIPs will be created on any port for the MAs in this
maintenance domain, when there is no MEP configured on that port for the
MAs with the same VID at this MD level or any higher active MD levels, and
at the same time there is an MEP configured on that port for the MA with the
same VID at the next lower active MD level or there is no MA with the same
VID at any lower active MD levels. For an intermediate Switch in an MA, the
setting must be Auto in order for the MIPs to be created on this device.
• Explicit - Specifies that MIPs will be created on any port for the MAs in this
maintenance domain, when there is no MEP configured on that port for the
MAs with the same VID at this MD level or any higher active MD levels, and
at the same time there is an MEP configured on that port for the MA with the
same VID at the next lower active MD level.
• Defer - Specifies to inherit the settings configured for the maintenance
domain that the MA is associated with. This is the default value.
CCM Interval
Select the Continuity Check Message (CCM) interval value here. Options to
choose from are 3.3ms, 10ms, 100ms, 1sec, 10sec, 1min, and 10min. An MEP
will transmit a CCM packet periodically across the MA. The CCM interval
indicates the interval at which CCMs are sent by a MEP in a MA.
SenderID TLV
This option is used to configure the transmission of the sender ID TLV by MPs for
an MA. Select one of the following options:
• None - Specifies not to transmit the sender ID TLV. In the CFM hardware
mode, the value is fixed to none.
• Chassis - Specifies to transmit the sender ID TLV with the chassis ID
information.
• Manage - Specifies to transmit the sender ID TLV with the managed address
information.
• Chassis-Manage - Specifies to transmit the sender ID TLV with the chassis
ID information and the managed address information.
• Defer - Specifies to inherit the setting configured for the maintenance domain
that the MA is associated with. This is the default value.
MEPID List
Enter the Maintenance association End Point’s (MEP’s) ID contained in the MA
here. The range is from 1 to 8191.
Click the Apply button to accept the changes made.
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